The spectrophotometer UV365 is a research grade instrument with the double-monochromator.

UV365分光光度计是一台双单色仪研究型仪器。

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One solution it recently embraced takes a page from Dr. Lin's old research: using a finer grade of salt.

它最近热衷的一项解决方案是借鉴林博士的旧研究：使用更精细等级的盐。

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They may teach undergraduates,grade papers and tests, and assist with research.

VOA: special.2009.02.19

The curriculum outline activities that address learning skills in each learning grade level, including letter writing, data collection, reading, research skills and presentation skills, critical thinking and collaborative working in small groups.

教程总体活动注重,培养学生在每个年级水平的,学习技巧，包括书信写作，数据搜集，阅读，研究技巧，展示技巧，批判性思维,还有小组的团队协作能力。

麻省理工公开课 - 媒体、教育、市场课程节选

On Monday,Iran formally notified the IAEA of its response to the nuclear-fuel swap deal, under which it would ship some low-enriched uranium to Turkey in return for higher grade fuel for a Tehran research reactor.

VOA: standard.2010.05.25

Laura Kovach, a high-grade research associate at Boston -based Evergreen funds said: "With everyone coming to the market at once, it could take a toll on the company's ability to get through at a reasonable price, " she added.

BBC: Telecoms scramble for cash

On average, audiences gave "Iron Man 3" an A grade, according to market research firm CinemaScore, meaning word-of-mouth for the film should be strong.

WSJ: Marvel's 'Iron Man 3' Takes in $175.3 Million at Box Office

Fox's domestic distribution president Chris Aronson said he believes the movie will have a long life at the box office, noting that audiences gave it an average grade of A according to market research firm CinemaScore, and there are no more family-friendly films until "Monsters University" opens June 21.

WSJ: 'Fast 6' Leads Record Holiday Haul